From 6f857e0a00e557a8968dcaf6a67bcdea4feeb315 Mon Sep 17 00:00:00 2001
From: Pavel Feldman <pavel.feldman@gmail.com>
Date: Thu, 20 Jan 2022 13:33:40 -0800
Subject: [PATCH] cherry-pick(#11521): chore: include transpilation mode in the
 compute cache hash

---
 packages/playwright-test/src/transform.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/playwright-test/src/transform.ts b/packages/playwright-test/src/transform.ts
index 29694fb430..a3e3d7f7b1 100644
--- a/packages/playwright-test/src/transform.ts
+++ b/packages/playwright-test/src/transform.ts
@@ -48,7 +48,7 @@ sourceMapSupport.install({
 });
 
 function calculateCachePath(content: string, filePath: string): string {
-  const hash = crypto.createHash('sha1').update(content).update(filePath).update(String(version)).digest('hex');
+  const hash = crypto.createHash('sha1').update(process.env.PW_EXPERIMENTAL_TS_ESM ? 'esm' : 'no_esm').update(content).update(filePath).update(String(version)).digest('hex');
   const fileName = path.basename(filePath, path.extname(filePath)).replace(/\W/g, '') + '_' + hash;
   return path.join(cacheDir, hash[0] + hash[1], fileName);
 }
@@ -60,7 +60,7 @@ export function transformHook(code: string, filename: string, tsconfig: TsConfig
   const codePath = cachePath + '.js';
   const sourceMapPath = cachePath + '.map';
   sourceMaps.set(filename, sourceMapPath);
-  if (fs.existsSync(codePath))
+  if (!process.env.PW_IGNORE_COMPILE_CACHE && fs.existsSync(codePath))
     return fs.readFileSync(codePath, 'utf8');
   // We don't use any browserslist data, but babel checks it anyway.
   // Silence the annoying warning.